dataService

您的位置: 首页 > 数据服务 > 数据列表页

筛选

共检索到28条 ,权限内显示50条;

Data from: Microbial-tubeworm associations in a 440 million year old hydrothermal vent community
负责人:
Georgieva, Magdalena
关键词:
microfossil symbiosis early life chemosynthesis pyrite
DOI:
doi:10.5061/dryad.8171kv1
摘要:
s and nano-tomography techniques reveals the preservation of filamentous microorganisms intimately associated with the tubes. The microfossils bear a stro
New perspectives on ancient microbes and microbialites: from isotopes to immunology
负责人:
关键词:
microfossils Geological Sciences stromatolites Doushantuo Thiomargarita squalane Caulobacter
DOI:
doi:10.25549/usctheses-m1339
摘要:
t closely resemble abundant globular microfossils from the 600 Ma Doushantuo Formation commonly thought to represent animal embryos. If correct
Data from: Tiny vampires in ancient seas: evidence for predation via perforation in fossils from the 780–740 million-year-old Chuar Gro
负责人:
关键词:
Leiosphaeridia;Valeria lophostriata;Chuaria circularis;Tonian;Cerebrosphaera globosa;Neoproterozoic;acritarch;drill holes;Vampyrellidae;Precambrian;Trachysphaeridium laufeldii
DOI:
doi:10.5061/dryad.6pr6c
摘要:
, and on the presence of possible defensive structures in some protistan fossils. Here I describe 0.1–3.4 ?m circular holes in seven species of organic-walled microfossils
Data from: Algal affinity and possible life cycle of the early Cambrian acritarch Yurtusia uniformis from South China
负责人:
关键词:
Cambrian microfossil;internal bodies;individual development;asexual reproduction;green algae;acritarch
DOI:
doi:10.5061/dryad.ttdz08kv0
摘要:
elease of daughter cells, and the remarkable morphological similarity between extant algae and the studied microfossils suggest that Yurtusia uniformis is li
Data from: Small carbonaceous fossils (SCFs) from the Terreneuvian (lower Cambrian) of Baltica
负责人:
关键词:
Lontohystrichosphaera grandis;Terreneuvian;Cambrian;Cambrian explosion;Protohertzina compressa;small carbonaceous fossils;Lontova;Baltica;protoconodonts;Retiranus balticus;acritarchs
DOI:
doi:10.5061/dryad.8hn63
摘要:
We describe a new assemblage of small carbonaceous fossils (SCFs) from diagenetically minimally altered clays and siltstones of Terreneuvian age fro
Data from: The Proterozoic record of eukaryotes
负责人:
关键词:
microfossil;quantitative paleontology;diversity;Cryogenian;alpha diversity;fossil record;Neoproterozoic;Proterozoic;community change
DOI:
doi:10.5061/dryad.5pc3g
摘要:
of oceans, the diversification of microscopic eukaryotes, and the rise of metazoans. Over the past half century, the number of fossils described fro
Data from: A Tournaisian (earliest Carboniferous) conglomerate-preserved non-marine faunal assemblage and its environmental and sedimentologic
负责人:
关键词:
DOI:
doi:10.5061/dryad.2mg27sh
摘要:
, the youngest of a group of channels. In addition to the fossils (micro- and macro-), the conglomerate includes locally-derived clasts of palaeosols and other
Data from: Testing the impact of calibration on molecular divergence times using a fossil-rich group: the case of Nothofagus (Fagales)
负责人:
关键词:
Nothofagus;age constraints;fossil record;Fagales;molecular dating;confidence intervals;calibration;relaxed molecular clock
DOI:
doi:10.5061/dryad.qq106tm4
摘要:
calibration data can be obtained from macro- and mesofossils (e.g., leaves, flowers, and fruits) or microfossils (e.g., pollen). Fossil data can vary subst

首页上一页123下一页尾页

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充